The user says that she’s definitely typing more than three seconds, and not pasting in text typed somewhere else.
Either way, I set min first post typing time to 0, maybe that’ll help.
The story is that that user sent me a PM, asking a question of which she was not sure whether she was allowed to ask that in public. I answered, and then asked her whether she was OK with making that public. She agreed, I deleted the discussion about turning the message public, and then used the feature to turn the message into a normal, public topic.
Apart from this, nothing fancy happened to the account, I think.
Also, there was another conversation before that that was converted from a public topic to a message before I replied.
Apart from this, nothing fancy happened to the account, I think. (Again.)
I confirmed there was a problem with post counting in personal messages and made a fix.
Deleting a post in personal message would subtract from the user’s post count stat, but they aren’t counted when they’re created. So post counts can become negative. Changing topics from personal to/from public was adjusting counts correctly.
(I’d love it if it also recalculated other counters, specifically the number of topics per category, as we also have a – likely unrelated – weirdness there.)